QID 376119

Date Published: 2021-12-02

QID 376119: F5 BIG-IP Application Security Manager (ASM), Local Traffic Manager (LTM), Access Policy Manager (APM) Linux Kernel Vulnerability (K42202505)

A flaw was found affecting the Linux kernel before version 4.17. By mmap()ing a FUSE-backed file onto a process's memory containing command line arguments (or environment strings), an attacker can cause utilities from psutils or procps (such as ps, w) or any other program which makes a read() call to the files to block indefinitely (denial of service) or for some controlled time (as a synchronization primitive for other attacks). (CVE-2018-1120)

Vulnerable Component: BIG-IP ASM,LTM,APM

Affected Versions:
16.0.0 - 16.0.1
15.1.0 - 15.1.3
14.1.0 - 14.1.4
13.1.0 - 13.1.4
12.1.0 - 12.1.6
11.6.1 - 11.6.5

QID Detection Logic(Authenticated):

This QID checks for the vulnerable versions of F5 BIG-IP devices using the tmsh command.

An attacker with local access may be able to cause a Denial of Service (DoS).

  • CVSS V3 rated as Medium - 5.3 severity.
  • CVSS V2 rated as Medium - 3.5 severity.
    • Solution
    The vendor has released patch, for more information please visit: K42202505
    Vendor References

    CVEs related to QID 376119

    CVE-2018-1120 |
    Software Advisories
    Advisory ID Software Component Link
    K42202505 URL Logo support.f5.com/csp/article/K42202505
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